Call Routing Schedule is managed in the Contract Window.
From the Main Menu, Click on Advertisers -> Contracts -> Contracts
Click on a Contract Name to open the Contract Window
From the Contract Menu, click on Area Codes Filters.
Including Area Codes
Click Include... to add area codes that can be transferred to the Contract.
Type the area codes one per line. Click Save & Close.
Excluding Area Codes
Click Exclude... to add area codes that cannot be transferred to the Contract.
Removing Area Codes Filters
You have the ability to remove all area codes filters or you can select a specific area code.